<template>
  <div class="app-container">

    <el-form size="small" :inline="true" >
      <el-form-item label="当前学期：">
        <el-tooltip class="item" effect="light" content="所有操作都默认在当前学期下进行" placement="right">
          <el-input
            v-model="curSemester"
            autosize
            readonly>
          </el-input>
        </el-tooltip>
      </el-form-item>
    </el-form>

    <el-divider/>

    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="学期名称" prop="semesterName">
        <el-input
          v-model="queryParams.semesterName"
          placeholder="请输入学期名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['jwxt:semester:add']"
        >新增</el-button>
      </el-col>
<!--      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['jwxt:semester:edit']"
        >修改</el-button>
      </el-col>-->
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['jwxt:semester:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['jwxt:semester:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="semesterList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="编号" align="center" prop="id" />
      <el-table-column label="学期名称" align="center" prop="semesterName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
<!--          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['jwxt:semester:edit']"
          >修改</el-button>-->
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['jwxt:semester:remove']"
            v-show="scope.row.semesterName!=curSemester"
          >删除</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-sunny"
            @click="handleSet(scope.row)"
            v-hasPermi="['jwxt:semester:edit']"
            v-show="scope.row.semesterName!=curSemester"
          >设为当前学期</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改学期管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="学期名称" prop="semesterName">
          <el-input v-model="form.semesterName" placeholder="例:2021-2022-1(春)/2(秋)" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 设置为当前全局学期对话框 -->
    <el-dialog title="设置为当前学期" :visible.sync="setCurSemesterDialog" width="500px" append-to-body>
      <span>你是否要将该学期设置为当前学期？</span>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitSure">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>


  </div>
</template>

<script>
import { listSemester, getSemester, delSemester, addSemester, updateSemester,setCurSemester } from "@/api/jwxt/semester";

export default {
  name: "Semester",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 学期管理表格数据
      semesterList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      setCurSemesterDialog: false,
      //当前全局学期
      curSemester:null,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        semesterName: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        semesterName: [
          { required: true, message: "学期名称不能为空", trigger: "blur" },
          { pattern:/20\d\d-20\d\d-1|2$/,message: "格式错误！例:2021-2022-1(春)/2(秋)",trigger: "blur"}
        ]
      }
    };
  },
  created() {
    this.updateCurSemester();
    this.getList();
  },
  methods: {
    /** 查询学期管理列表 */
    getList() {
      this.loading = true;
      listSemester(this.queryParams).then(response => {
        this.semesterList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.setCurSemesterDialog=false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        semesterName: null
      };
      this.updateCurSemester();
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加学期管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getSemester(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改学期管理";
      });
    },
    /** 设为当前全局学期按钮操作 */
    handleSet(row) {
      this.reset();
      const id = row.id || this.ids
      getSemester(id).then(response => {
        this.form = response.data;
        this.setCurSemesterDialog=true;
      });
    },
    /** 设为当前全局学期按钮提交操作 */
    submitSure(){
          if (this.form.semesterId != null) {
            setCurSemester(this.form.semesterName).then(response => {
              this.$modal.msgSuccess("设置成功");
              this.setCurSemesterDialog = false;
              this.updateCurSemester();
              this.getList();
            });
          }
    },
    /** 添加或修改提交按钮操作 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateSemester(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addSemester(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除学期管理编号为"' + ids + '"的数据项？').then(function() {
        return delSemester(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('jwxt/semester/export', {
        ...this.queryParams
      }, `semester_${new Date().getTime()}.xlsx`)
    },
    /** 更新前端页面全局学期 */
    updateCurSemester() {
      this.getConfigKey("jwxt.curSemester", {nocache: new Date().getTime()}).then(response => {
        this.curSemester= response.msg;
      });
      console.log("更新前端页面全局学期: "+this.curSemester);
    }
  },
/*  watch:{
    form:{// 自用检查
      deep:true,
      handler(newV){
        this.$modal.msgSuccess("form.id "+this.form.SemesterName);
      }
    }
  }*/
};
</script>
